I think it depends on what you are trying to do: any kind of modeling and you wouldn't be happy with 66 mhz. But for most people, they don't really have a comp

I think it depends on what you are trying to do: any kind of modeling and you wouldn't be happy with 66 mhz. But for most people, they don't really have a computation problem, they have a communication/information problem, and I think computers could be made more effective in solving it.